English verb conjugation
COULD CHOCK

Regular verb: chock - chocked - chocked

Affirmation

Simple form	V-ing form
I could chock you could chock he could chock we could chock you could chock they could chock	I could be chocking you could be chocking he could be chocking we could be chocking you could be chocking they could be chocking
Perfect	V-ing perfect
I could have chocked you could have chocked he could have chocked we could have chocked you could have chocked they could have chocked	I could have been chocking you could have been chocking he could have been chocking we could have been chocking you could have been chocking they could have been chocking

Negation

Simple form	V-ing form
I could not chock you could not chock he could not chock we could not chock you could not chock they could not chock	I could not be chocking you could not be chocking he could not be chocking we could not be chocking you could not be chocking they could not be chocking
Perfect	V-ing perfect
I could not have chocked you could not have chocked he could not have chocked we could not have chocked you could not have chocked they could not have chocked	I could not have been chocking you could not have been chocking he could not have been chocking we could not have been chocking you could not have been chocking they could not have been chocking

Interrogative form

Simple form	V-ing form
could I chock? could you chock? could he chock? could we chock? could you chock? could they chock?	could I be chocking? could you be chocking? could he be chocking? could we be chocking? could you be chocking? could they be chocking?
Perfect	V-ing perfect
could I have chocked? could you have chocked? could he have chocked? could we have chocked? could you have chocked? could they have chocked?	could I have been chocking? could you have been chocking? could he have been chocking? could we have been chocking? could you have been chocking? could they have been chocking?

Interro-negative form

Simple form	V-ing form
could I not chock? could you not chock? could he not chock? could we not chock? could you not chock? could they not chock?	could I not be chocking? could you not be chocking? could he not be chocking? could we not be chocking? could you not be chocking? could they not be chocking?
Perfect	V-ing perfect
could I not have chocked? could you not have chocked? could he not have chocked? could we not have chocked? could you not have chocked? could they not have chocked?	could I not have been chocking? could you not have been chocking? could he not have been chocking? could we not have been chocking? could you not have been chocking? could they not have been chocking?